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Seakeeper 18 Operation Manual

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OPERATION MANUAL
*THIS MANUAL ALSO COVERS THE SEAKEEPER 16 MODEL*
NOTE: THIS APPLIES TO SEAKEEPER 16 MODELS AFTER SERIAL No. 16-201-XXXX or LATER
December 2019, Revision 1

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Summary of Contents for Seakeeper 18

  • Page 1 OPERATION MANUAL *THIS MANUAL ALSO COVERS THE SEAKEEPER 16 MODEL* NOTE: THIS APPLIES TO SEAKEEPER 16 MODELS AFTER SERIAL No. 16-201-XXXX or LATER December 2019, Revision 1...
  • Page 2 Product: Document #: Rev: OPERATION MANUAL SEAKEEPER 16 / 18 90550 SEAKEEPER 16 / 18 OPERATION MANUAL DECEMBER 2019 Contents: Section 1 – System Overview Section 2 – System Operation Section 3 – Power Failures, Alarms, and Troubleshooting Section 4 – Maintenance Section 5 –...
  • Page 3 Seakeeper’s web site at www.seakeeper.com. The Seakeeper website also contains videos of Seakeeper operation and videos of several different boats operating in waves with the Seakeeper on and off. It is recommended that the reader play these videos prior to reading the remainder of this manual.
  • Page 4 +/- 70 degrees about this position. The amount of torque that the Seakeeper exerts on a boat’s hull to counter the wave induced roll is directly proportional to the precession rate because the torque is exerted perpendicular to axis of the flywheel.
  • Page 5 3 of 9 Section 1: SYSTEM OVERVIEW There is a large torque about the gimbal axis when the Seakeeper is precessing. Seakeeper cover panels are provided to prevent personnel or equipment from contacting the Seakeeper while it is in operation. These covers should not be stood on or have anything placed on top.
  • Page 6 This foundation transfers the loads that the Seakeeper produces to the hull structure. An active hydraulic brake mechanism is located on the Seakeeper assembly to regulate the Seakeeper’s precession motions about the gimbal shaft. It includes four hydraulic cylinders and a hydraulic manifold.
  • Page 7 Section 1: SYSTEM OVERVIEW 1.2 Display The display shown below is the user interface to the Seakeeper 16/18 and should be mounted at the primary helm station, unless the vessel has compatible Multi-Function Display, in which case the Seakeeper Display can be mounted elsewhere. It is used to start, operate, monitor and shutdown the Seakeeper.
  • Page 8 Section 1: SYSTEM OVERVIEW 1.3 Drive Box The glycol/water mix that cools the Seakeeper is also circulated through a cold plate inside the Drive Box to remove heat from high-power electronic components. The Motor Drive Box contains hazardous voltage and the cover should not be removed while the flywheel is spinning, and the AC input voltage is present.
  • Page 9 Locking solenoid valves are installed in the circuit to lock the Seakeeper, so it cannot precess if there are any alarms or a mechanical problem with the Seakeeper.
  • Page 10 Product: Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 16 / 18 90550 8 of 9 Section 1: SYSTEM OVERVIEW FIGURE 6 – BRAKE SYSTEM COMPONENTS...
  • Page 11 Product: Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 16 / 18 90550 9 of 9 Section 1: SYSTEM OVERVIEW 1.7 Cooling The cooling circuit is a closed loop that supplies a glycol/water (50% distilled water and 50% glycol) mix to: •...
  • Page 12 This section describes operation of the Seakeeper 16/18 system. Display Screens: Overview 1) When 24 VDC is applied to the Seakeeper the DISPLAY will power up and initialize. The SPLASH screen will be displayed 2) After the DISPLAY has initialized the HOME screen will be displayed...
  • Page 13 3) The display uses a touch screen to allow users to select functions. • Seakeeper On/Off. The button will change from grey (Seakeeper Off) to blue (Seakeeper On) Seakeeper Stabilize On/Off. The button will change from grey (Stabilize Off) to blue (Stabilize On) once the flywheel reaches the stabilization RPM Home screen view.
  • Page 14 Product: Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 16 / 18 90550 3 of 12 Section 2: SYSTEM OPERATION 4) When the menu button is pressed, the menu bar will appear or disappear at the bottom of the screen. The menu bar is used to navigate between pages. From left to right, the available pages are Home, Settings, Information, Service and Alarm History.
  • Page 15 Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 16 / 18 90550 4 of 12 Section 2: SYSTEM OPERATION a) Increase or decrease the brightness of the display with the brightness slider. b) Adjust the sleep timer from 1 minutes to 60 minutes or on all the time using sleep time slider.
  • Page 16 90550 5 of 12 Section 2: SYSTEM OPERATION d) Change the speed of the Seakeeper between normal operation and low power operation. The selected speed is colored blue. When power is cycled (or Seakeeper turned Off), this speed will default back to the normal operating speed.
  • Page 17 6 of 12 Section 2: SYSTEM OPERATION 7) The service page displays operating information from the Seakeeper. 8) The alarm history page shows what alarms have occurred in the past and the associated run hours. The scroll bar is used to move up and down through the list.
  • Page 18 2) Turn on the boat’s DC circuit breaker(s) that supplies power to the Seakeeper controls and seawater pump. a. In most cases, the seawater pump will be wired to turn on when the Seakeeper is turned on. However, in some cases the seawater pump is on a separate DC circuit breaker and it is necessary to turn it on.
  • Page 19 MANUAL SEAKEEPER 16 / 18 90550 8 of 12 Section 2: SYSTEM OPERATION 5) When the Seakeeper reaches its maximum operating speed where maximum stabilization is available, the progress bar will disappear and the Seakeeper is available for maximum stabilization.
  • Page 20 To stabilize the boat after Seakeeper is on and above the minimum operating speed: 1) Press the stabilize button. The button will turn blue indicating that the Seakeeper is stabilizing the roll motion. The stabilization mode starts gradually; it takes 5-10 seconds...
  • Page 21 It takes approximately 3+ hours for the speed to drop to zero rpm. If it is necessary to stop Seakeeper motion for any reason press the stabilize button. The stabilize button will turn grey indicating that the Seakeeper is locked.
  • Page 22 OFF. The Seakeeper will continue to spool down to zero rpm. No cooling is required during this time. Note: The seawater pump may run for 5 minutes after the Seakeeper is switched off and is coasting (with DC power applied).
  • Page 23 Section 2: SYSTEM OPERATION Speed Adjustment 1) Press the menu button then select the settings screen. 2) Select the desired RPM button to adjust the Seakeeper’s speed. The selected RPM button will turn blue. a) Seakeeper 16: b) Seakeeper 18: a.
  • Page 24 24 Volts DC powers the Seakeeper control electronics and seawater pump • 208 - 230 Volts AC powers the Motor Drive Box to drive the motor inside the Seakeeper. These are supplied on Cables 1, 2, and 8 which are shown on Seakeeper drawing 90539, Cable Block Diagram.
  • Page 25 230 VAC Fluctuation, Spike or Momentary Failure If the AC voltage to the Motor Drive Box is outside Seakeeper’s specified range (208 – 230 VAC), the Motor Drive Box will briefly shut down for protection. The Motor Drive Box will continue operation when the voltage returns to the specified range.
  • Page 26 Section 3: POWER FAILURES, ALARMS, AND TROUBLESHOOTING Alarms The Seakeeper issues an alarm when it detects a malfunction that could cause damage or erratic operation. When an alarm occurs, the Seakeeper will stop and an alarm message is shown on the Display.
  • Page 27 The alarm history page on the Display shows the recent alarms and warnings. The alarms are in chronological order starting with the most recent. Warnings included in the history page are for issues that do not affect Seakeeper operation. 1) Press the menu button...
  • Page 28 Scheduled Maintenance to keep the Seakeeper running trouble- free. If the Seakeeper is installed in a wet space, efforts should be made to keep the Seakeeper free of salt residue from either condensation or direct exposure to salt spray. If exposed, a regular wipe down with mild soap and water with a rinse will help limit corrosion and keep the Seakeeper assembly in good cosmetic condition.
  • Page 29 Product: Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 16 / 18 90550 2 of 3 Section 4: MAINTENANCE SCHEDULED MAINTENANCE TABLE • The following pages contain the scheduled maintenance table organized by systems: Mechanical, Hydraulic, Cooling, and Electrical. Scheduled maintenance is not covered under warranty.
  • Page 30 Product: Document #: Rev: Page: OPERATION MANUAL SEAKEEPER 16 / 18 90550 3 of 3 Section 4: MAINTENANCE SYSTEM / COMPONENT TASK INTERVAL PARTS / SPECIAL TOOLS Electrical / Pump Power Check integrity of cable jacket and 12 Months or...
  • Page 31 24 months from date the product put into service, which shall conclusively be presumed to be the date of sale of a vessel, on which a SEAKEEPER product is installed, to a retail customer or date put into service on an existing vessel (refit).
  • Page 32 SEAKEEPER, INC. to analyze the problem and confirm the warranty coverage. SEAKEEPER, INC., will repair or replace the Product, or part of the Product, proven to be defective, at its sole discretion, in a timeframe provided by SEAKEEPER, INC., on a reasonable best effort basis.
  • Page 33 Buyer’s (Customer’s) naval architect and boat builder in making their own independent professional decisions, Seakeeper (Seller) has placed on its website some generic drawings of various installation designs which may be useful as a starting point to the (Buyer’s) Customer’s own naval architect and boat builder in connection...
  • Page 34 THE TOTAL PURCHASE PRICE SET FORTH IN THIS ORDER. The terms and conditions of this warranty are the entire agreement between the Parties relating to the warranty obligations of SEAKEEPER, INC., to the Products. There are no other express or implied terms or conditions of this warranty.
  • Page 35 Rev: Page: OPERATION MANUAL SEAKEEPER 16 / 18 90550 1 of 4 Section 6: SEAKEEPER SPECIFICATIONS Seakeeper 16 / 18 Specifications & Summary Seakeeper 16 Seakeeper 18 Rated RPM 6,130 RPM 7,000 RPM Angular Momentum at Rated RPM 16,000 N-M-S...
  • Page 36 Cooling, and Cover Subsystems. Installation Location The Seakeeper is a torque device and does not have to be installed in a specific hull location or on the vessel’s centerline. However, the Seakeeper should not be installed forward of amidships to minimize high acceleration loading due to hull-to-wave impacts during operation at high speed or in large waves.
  • Page 37 The installer is responsible for supplying 208-230 VAC, 50/60 Hz, single phase power on a 25A service to the Motor Drive Box and 24 VDC @ 10A service to the Seakeeper Control System. A separate 24 VDC breaker is required for the seawater cooling pump power supply. Separate circuit breakers should be used for each Motor Drive Box in multiple Seakeeper installations.
  • Page 38 The Seakeeper controller sends sensor values and alarm information to the display and also locks the brake and shuts down the motor drive in the event of an alarm condition. Seakeeper operating history during faults or alarms is recorded in the controller’s memory for subsequent recall if service is needed.

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